CVE-2026-44694 — n8n-MCP: Authenticated SSRF in n8n-mcp webhook and API client paths
n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. From version 2.18.7 to before version 2.50.2, there is an auth…
Published: 2026-05-08 · CVSS: 7.2 · CVSS 4.0
n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. From version 2.18.7 to before version 2.50.2, there is an authenticated server-side request forgery vulnerability affecting the webhook trigger tools, the n8n API client (N8N_API_URL), and per-request URLs supplied via the x-n8n-url header in multi-tenant HTTP mode. This issue has been patched in version 2.50.2.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7